Home / 1,449,154.34-1,999,740.48-804,574.38

Finding the Fourth Proportional to 1,449,154.34, 1,999,740.48 and 804,574.38

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Solution

The fourth proportional to 1,449,154.34, 1,999,740.48 and 804,574.38 is: 1,110,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,154.34 : 1,999,740.48 = 804,574.38 : x
  2. Step 2: Convert to fraction form
    1,449,154.34/1,999,740.48 = 804,574.38/x
  3. Step 3: Cross multiply
    1,449,154.34x = 1,999,740.48 × 804,574.38
  4. Step 4: Simplify right side
    1,449,154.34x = 1,608,939,956,856.90
  5. Step 5: Solve for x
    x = 1,608,939,956,856.90/1,449,154.34
  6. Step 6: Final answer
    x = 1,110,261.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.